Hydraulic Accumulator: Service and Repair

23 42 519 - Replacing pressure accumulator (GS7S47BG SMG)





Important!
Before working on hydraulic system:
- Reduce pressure in hydraulic system by means of Service Function in DIS Tester (Replacement and Repair)
- Disconnect hydraulic pump relay Service and Repair in electronics box
Do not reconnect relay for entire duration of repair work





Important!
After working on hydraulic system:
- Perform bleeding using DIS Tester, refer to Service Functions in DIS Tester (Replacement and Repair)





Necessary preliminary tasks:
- Unscrew and remove splash guard.
- Remove reinforcement plate Service and Repair
Important notes on installation are described in this work step
- Remove heat shields





Release screw (1).
Tightening torque 23 41 24AZ External Gearshift Components.
Bend clamp (2) open slightly.
Release pressure accumulator (3) at hexagon head (5).
Remove pressure accumulator (3) with damping ring (4) towards rear.
Tightening torque 23 41 25AZ External Gearshift Components.

Installation Note:
Replace screw (1).
Make sure damping ring (4) is cleanly seated.





Installation Note:
- Observe installation position of sealing ring (1).